From 6962f8d156735172146ae812732f4c4ddc13e91b Mon Sep 17 00:00:00 2001
From: John McCall <rjmccall@apple.com>
Date: Wed, 21 Jul 2010 07:04:01 +0000
Subject: [PATCH] Kill the CleanupBlock API.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@108998 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/CodeGen/CGException.cpp   | 63 -----------------------------------
 lib/CodeGen/CodeGenFunction.h | 21 ------------
 2 files changed, 84 deletions(-)

diff --git a/lib/CodeGen/CGException.cpp b/lib/CodeGen/CGException.cpp
index 352b324ae2..cc0a03f8b5 100644
--- a/lib/CodeGen/CGException.cpp
+++ b/lib/CodeGen/CGException.cpp
@@ -1576,69 +1576,6 @@ llvm::BasicBlock *CodeGenFunction::getTerminateHandler() {
   return TerminateHandler;
 }
 
-CodeGenFunction::CleanupBlock::CleanupBlock(CodeGenFunction &CGF,
-                                            CleanupKind Kind)
-  : CGF(CGF), SavedIP(CGF.Builder.saveIP()), NormalCleanupExitBB(0) {
-  llvm::BasicBlock *EntryBB = CGF.createBasicBlock("cleanup");
-  CGF.Builder.SetInsertPoint(EntryBB);
-
-  switch (Kind) {
-  case NormalAndEHCleanup:
-    NormalCleanupEntryBB = EHCleanupEntryBB = EntryBB;
-    break;
-
-  case NormalCleanup:
-    NormalCleanupEntryBB = EntryBB;
-    EHCleanupEntryBB = 0;
-    break;        
-
-  case EHCleanup:
-    NormalCleanupEntryBB = 0;
-    EHCleanupEntryBB = EntryBB;
-    CGF.EHStack.pushTerminate();
-    break;
-  }
-}
-
-void CodeGenFunction::CleanupBlock::beginEHCleanup() {
-  assert(EHCleanupEntryBB == 0 && "already started an EH cleanup");
-  NormalCleanupExitBB = CGF.Builder.GetInsertBlock();
-  assert(NormalCleanupExitBB && "end of normal cleanup is unreachable");
-      
-  EHCleanupEntryBB = CGF.createBasicBlock("eh.cleanup");
-  CGF.Builder.SetInsertPoint(EHCleanupEntryBB);
-  CGF.EHStack.pushTerminate();
-}
-
-CodeGenFunction::CleanupBlock::~CleanupBlock() {
-  llvm::BasicBlock *EHCleanupExitBB = 0;
-
-  // If we're currently writing the EH cleanup...
-  if (EHCleanupEntryBB) {
-    // Set the EH cleanup exit block.
-    EHCleanupExitBB = CGF.Builder.GetInsertBlock();
-    assert(EHCleanupExitBB && "end of EH cleanup is unreachable");
-
-    // If we're actually writing both at once, set the normal exit, too.
-    if (EHCleanupEntryBB == NormalCleanupEntryBB)
-      NormalCleanupExitBB = EHCleanupExitBB;
-
-    // Otherwise, we must have pushed a terminate handler.
-    else
-      CGF.EHStack.popTerminate();
-
-  // Otherwise, just set the normal cleanup exit block.
-  } else {
-    NormalCleanupExitBB = CGF.Builder.GetInsertBlock();
-    assert(NormalCleanupExitBB && "end of normal cleanup is unreachable");
-  }
-  
-  CGF.EHStack.pushCleanup(NormalCleanupEntryBB, NormalCleanupExitBB,
-                          EHCleanupEntryBB, EHCleanupExitBB);
-
-  CGF.Builder.restoreIP(SavedIP);
-}
-
 EHScopeStack::LazyCleanup::~LazyCleanup() {
   llvm_unreachable("LazyCleanup is indestructable");
 }
diff --git a/lib/CodeGen/CodeGenFunction.h b/lib/CodeGen/CodeGenFunction.h
index 3823ff31d0..f6a80cb264 100644
--- a/lib/CodeGen/CodeGenFunction.h
+++ b/lib/CodeGen/CodeGenFunction.h
@@ -476,27 +476,6 @@ public:
   /// process all branch fixups.
   void PopCleanupBlock();
 
-  /// CleanupBlock - RAII object that will create a cleanup block and
-  /// set the insert point to that block. When destructed, it sets the
-  /// insert point to the previous block and pushes a new cleanup
-  /// entry on the stack.
-  class CleanupBlock {
-    CodeGenFunction &CGF;
-    CGBuilderTy::InsertPoint SavedIP;
-    llvm::BasicBlock *NormalCleanupEntryBB;
-    llvm::BasicBlock *NormalCleanupExitBB;
-    llvm::BasicBlock *EHCleanupEntryBB;
-    
-  public:
-    CleanupBlock(CodeGenFunction &CGF, CleanupKind Kind);
-
-    /// If we're currently writing a normal cleanup, tie that off and
-    /// start writing an EH cleanup.
-    void beginEHCleanup();
-    
-    ~CleanupBlock();
-  };
-
   /// \brief Enters a new scope for capturing cleanups, all of which
   /// will be executed once the scope is exited.
   class RunCleanupsScope {
-- 
2.40.0